In-situ monitoring method and apparatus for power electronic device explosion

An in-situ monitoring apparatus for a power electronic device explosion, comprising:

• a fault excitation module, an electrical signal monitoring module, a gas monitoring module, a high-speed image capturing module, a high-speed X-ray imaging module, a time sequence control module, a safety protection module, and a main control module,
• the fault excitation module being configured to excite a power electronic device to produce an explosion failure;
• the electrical signal monitoring module being configured to monitor an electrical signal of the power electronic device in real time;
• the gas monitoring module being configured to monitor gas information of a test cavity in which the power electronic device is located in real time;
• the high-speed image capturing module being configured to capture external pictures of the power electronic device before the explosion failure, at a moment of the explosion failure, and after the explosion failure;
• the high-speed X-ray imaging module being configured to capture internal pictures of the power electronic device before the explosion failure, at the moment of the explosion failure, and after the explosion failure;
• the time sequence control module being connected with the fault excitation module, the electrical signal monitoring module, the electrical signal monitoring module, the gas monitoring module, the high-speed image capturing module, and the high-speed X-ray imaging module, and being configured to trigger the fault excitation module, the electrical signal monitoring module, the gas monitoring module, the high-speed image capturing module, and the high-speed X-ray imaging module to work according to a predetermined time sequence and time interval;
• the safety protection module being configured to protect test people and test instruments except for the power electronic device from explosion damage of the power electronic device, wherein the safety protection module comprises an X-ray shield layer and an optical protection cover, the power electronic device being arranged in the optical protection cover, and the optical protection cover, the high-speed image capturing module, the high-speed X-ray imaging module all being arranged in the X-ray shield layer;
• and
• the main control module being connected with the fault excitation module, the electrical signal monitoring module, and the time sequence control module, and being configured to control the in situ monitoring apparatus, and to acquire, store, and display data.